anthro 128 quiz 2

anthro 128 quiz 2 - 10/16/09 Conditions for altruism to...

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10/16/09 Conditions for altruism to evolve: o Cost of behavior to altruist is less than the benefit to the recipient o Roles of altruist and recipient are constantly reversed o Individuals recognize each other and keep track of who has paid them back and who has cheated. 10/19/09 Parent offspring conflict : parent and offspring have the same goal 10/21/09 Interobserver reliability : be sure everybody involved is doing things in the same way- two observers observe the same thing at the same time and compare their observations. Genetic analysis : determine paternity o Fecal o Blood o Saliva o hair hormones : o pinpoint timing of ovulation-test hormone levels o cortisol-stress o testosterone-male reproductive strategies o can be collected evasively or invasively spit blood bioacoustics: o allow for playback of calls to help understand monkey’s reason for call o space call experiments over long periods of time so that monkeys lifestyle doesn’t change
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o recognizing kin if you flip a coin and get heads it has no effect on the outcome of the next coin flip if monkeys argue once it effects the next meeting and they’ll probably argue again Development : nature vs. nurture o Genetic variation – developmental program o If you have a genetic developmental program that is flexible to environmental change 10/23/09 Social interaction: one particular instance between two monkeys Social relationship: a series of interactions that effect the quality of future interactions Social organization: product of many social relationships Dominance hierarchy’s: o An animal is said to be dominant to another if he/she supplants an animal at a given resource in the absence of the group-consistently intimidates o Spontaneous submission shows subordination of one animal to another o Outcome of dyadic fight Formal dominance: symbolic representation of dominance in their minds and is constantly reaffirmed in greetings (fear grins)- remind each other who is dominant because of constant reminders Real dominance: determined by actual outcome of disputes- young juveniles may take away resource from alpha male but alpha male still holds formal dominance despite not having real dominance Egalitarian hierarchy: has no dominance hierarchy- miriquies no fighting for meat and forage on resources that aren’t easily monopolize Despotic hierarchy: linear representation of dominance; A is dominant to B who is dominant to C- rhesus monkeys- nepotistic despotic hierarchy : frequent reminders of rank Ways to achieve dominance: o Females- “younger sister ascendancy rule”
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o Males- challenge alpha male or they start at the bottom and wait for their turn.- savannah baboons fight their way to the top o Dominance is NOT genetic 10/26/09 Dominance : why? Better access to food/resources o Greater chance of infant survival Dominance in females : acquire rank by mothers Dominance in male : higher on hierarchy when younger
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anthro 128 quiz 2 - 10/16/09 Conditions for altruism to...

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